Watlow 8LS Controller manuals

Watlow 8LS Controller User Manual (140 pages)

Brand: Watlow | Category: Sensors | Size: 0.76 MB |

English

Table of contents

User’s Guide

1

Warranty

2

Contents

3

Using the 8LS 37

4

Setup 45

4

Tuning and Control 75

5

Troubleshooting 85

6

Appendix A: Ramp Soak 89

6

Appendix B: 8LS-CP 105

7

Appendix C: 8LS Cascade 121

7

Glossary 123

7

System Diagram

10

4 8LS User’s Guide

12

Overview

12

Introduction

13

Installation

17

Read This Before Installation

18

Mounting The 8LS

19

12 8LS User’s Guide

20

External Wiring

21

General Wiring Requirements

21

Cable Recommendations

23

Noise Suppression

24

130 VAC ratin

25

RTB Connections

27

Analog Inputs

28

Common Mode Voltage

28

Normal Mode Voltage

28

Grounding

28

Input Scaling

29

Resistor Installation

30

Voltage Inputs

31

Milliamp Inputs

31

Thermocouple Inputs

31

RTD Inputs

32

Pulse Input

33

Carbon Probe Input

33

Control Outputs

35

Pid Control Relay Outputs

36

Primary Analog Outputs

37

CPU Dip Switch

39

RS-232 Connections

41

RS-485 Description

42

RS-485 Connections

43

Using the 8LS

45

Ramp/Soak

47

Man/Auto

47

Displays

48

Single Loop Display

49

Scanning Display

49

Alarm Display

49

SP ? 25

51

6 = AUTO

51

SET? TUNE

51

6 SET MAN

52

How to enter the Setup menus?

53

How to edit a menu?

53

(T/C & RTDs)

54

1 1 1 1 1 1 1 1

54

GLOBALS?

55

Save as Job

56

Restore a Job

56

Set Alarm Delay

56

Set R/S Time Base

57

Lock Panel

57

Power Up Output Status

57

CONTRLLR

58

ADDR? 1

58

COMM ERR

58

CHK? BCC

58

Communication Baud Rate

59

Communication Protocol

59

AC Line Frequency

59

EPROM Version

60

1 SETUP

61

INPUT?

61

1 INPUT

62

TYPE? J

62

1 INPUT

63

SMPLT? 1

63

1 INPUT

63

UNIT = F

63

Linear Scaling Menus

64

High PV Display

64

High RDG Display

64

Low PV Display

64

1 LO RDG

65

1 OFFSET

66

1 SETUP

67

CONTROL ?

67

Heat/Cool PB

68

Heat/Cool TI

68

Heat/Cool TD

68

Heat/Cool Output Filter

68

1 CONTROL

69

SPR? 10

69

OUTPUTS?

70

1 OUTPUTS

71

CT ? 10

71

ACT ?REV

72

LIM ? 100

72

LTM ? C

73

NLO ?OFF

73

1 HT OUT?

74

TERM BLK

74

Setup Alarms

75

Alarm Types

76

Global Alarms

76

Process Alarms

76

High Process Alarm Setpoint

77

High Process Alarm Status

77

Deviation Band Alarm

78

Deviation Band Alarm Status

78

Low Process Alarm Setpoint

79

Low Process Alarm Status

79

Alarm Deadband

80

Alarm Delay

80

INS = 1 1 1 1

81

TEST OUT

82

NR = 1

82

DIG OUT

82

NR01? OFF

82

Tuning and Control

83

Control Modes

84

Digital Output Control Forms

86

Time Proportioning (TP)

86

Output Digital Filter

87

Reverse and Direct Action

87

Integral Term (TI) Settings

89

Derivative Term (TD) Settings

89

Proportional Band Only (P)

90

PI with Derivative (PID)

90

8LS User’s Guide 83

91

84 8LS User’s Guide

92

Troubleshooting

93

Computer Supervised Systems

94

Communications Problems

95

Serial Interface

95

88 8LS User’s Guide

96

Appendix A: Ramp Soak

97

Configuring Ramp/Soak

98

Setting the R/S Time Base

99

Editing R/S Parameters

99

Choosing a Profile to Edit

99

R/S PRO

100

COPY? H

100

A OUTTOL

100

T? 1:00

100

Editing the Ready Setpoint

101

Editing a Segment

102

Setting Segment Time

102

A SEG 01

103

SP? OFF

103

EVENTS?

103

Editing Event Outputs

104

Changing Event States

104

Editing Segment Triggers

104

1234 56 78

105

Setting Segment Tolerance

106

Ending a Profile

106

Repeating a Profile

106

1 SELECT

107

PROF? 0

107

1A00/20S

108

SET? RUN

108

3 73 F

109

73 S 0

109

Bar graph display

110

Ramp/Soak Key Displays

110

How long has the profile run?

110

CYC 1/1

111

SET?HOLD

111

RESET? A

112

Appendix B: 8LS-CP

113

System Configuration

114

Specifications

116

CP Control

117

Applications

118

Carbon Probe

119

Probe Burn Off

120

Burn Off Function

121

1 INPUTS

122

TYPE? K

122

2 INPUTS

122

TYPE? CP

122

CO+CO2% and % of Hydrogen

123

Engineering Units

123

2 OFFSET

124

? 0 ºF

124

2 CP

124

BURNOFF?

124

Burn Off Time Interval

125

Burn Off start Input

125

Burn Off Time Period

126

2CP GAS

127

OUTPN? 0

127

2 HIT %CP

127

. 25 M 0

127

120 8LS User’s Guide

128

Appendix C: 8LS Cascade

129

Choosing the Primary Loop

130

Glossary

131

132 8LS User’s Guide

140

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